diff --git a/include/drivers/arm/arm_gic.h b/include/drivers/arm/arm_gic.h
index 5752d8f..8c1f03f 100644
--- a/include/drivers/arm/arm_gic.h
+++ b/include/drivers/arm/arm_gic.h
@@ -31,6 +31,7 @@
 #ifndef __ARM_GIC_H__
 #define __ARM_GIC_H__
 
+#include <common_def.h>
 #include <stdint.h>
 
 /*******************************************************************************
@@ -40,18 +41,18 @@
 		  uintptr_t gicd_base,
 		  uintptr_t gicr_base,
 		  const unsigned int *irq_sec_ptr,
-		  unsigned int num_irqs);
-void arm_gic_setup(void);
-void arm_gic_cpuif_deactivate(void);
-void arm_gic_cpuif_setup(void);
-void arm_gic_pcpu_distif_setup(void);
+		  unsigned int num_irqs) __warn_deprecated;
+void arm_gic_setup(void) __warn_deprecated;
+void arm_gic_cpuif_deactivate(void) __warn_deprecated;
+void arm_gic_cpuif_setup(void) __warn_deprecated;
+void arm_gic_pcpu_distif_setup(void) __warn_deprecated;
 
 uint32_t arm_gic_interrupt_type_to_line(uint32_t type,
-				uint32_t security_state);
-uint32_t arm_gic_get_pending_interrupt_type(void);
-uint32_t arm_gic_get_pending_interrupt_id(void);
-uint32_t arm_gic_acknowledge_interrupt(void);
-void arm_gic_end_of_interrupt(uint32_t id);
-uint32_t arm_gic_get_interrupt_type(uint32_t id);
+				uint32_t security_state) __warn_deprecated;
+uint32_t arm_gic_get_pending_interrupt_type(void) __warn_deprecated;
+uint32_t arm_gic_get_pending_interrupt_id(void) __warn_deprecated;
+uint32_t arm_gic_acknowledge_interrupt(void) __warn_deprecated;
+void arm_gic_end_of_interrupt(uint32_t id) __warn_deprecated;
+uint32_t arm_gic_get_interrupt_type(uint32_t id) __warn_deprecated;
 
 #endif /* __GIC_H__ */
diff --git a/include/drivers/arm/gic_v2.h b/include/drivers/arm/gic_v2.h
index ce9311e..594ce49 100644
--- a/include/drivers/arm/gic_v2.h
+++ b/include/drivers/arm/gic_v2.h
@@ -31,6 +31,13 @@
 #ifndef __GIC_V2_H__
 #define __GIC_V2_H__
 
+/******************************************************************************
+ * THIS DRIVER IS DEPRECATED. For GICv2 systems, use the driver in gicv2.h
+ * and for GICv3 systems, use the driver in gicv3.h.
+ *****************************************************************************/
+#if ERROR_DEPRECATED
+#error " The legacy ARM GIC driver is deprecated."
+#endif
 
 #define GIC400_NUM_SPIS		480
 #define MAX_PPIS		14
diff --git a/include/drivers/arm/gic_v3.h b/include/drivers/arm/gic_v3.h
index c410626..a1b6f1b 100644
--- a/include/drivers/arm/gic_v3.h
+++ b/include/drivers/arm/gic_v3.h
@@ -31,6 +31,14 @@
 #ifndef __GIC_V3_H__
 #define __GIC_V3_H__
 
+/******************************************************************************
+ * THIS DRIVER IS DEPRECATED. For GICv2 systems, use the driver in gicv2.h
+ * and for GICv3 systems, use the driver in gicv3.h.
+ *****************************************************************************/
+#if ERROR_DEPRECATED
+#error " The legacy ARM GIC driver is deprecated."
+#endif
+
 #include <mmio.h>
 #include <stdint.h>